package lishizheng.demo01;

public class Race implements  Runnable{

    private static String winner;

    @Override
    public void run() {
        for (int i = 0; i <= 100; i++) {

            //模拟兔子休息
            if(Thread.currentThread().getName().equals("兔子") && i % 30 == 0){
                try {
                    Thread.sleep(1);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
            //判断比赛是否结束
            boolean result = gameOver(i);

            if(result) break;

            System.out.println(Thread.currentThread().getName() + " 跑了 " + i + "步");
        }
    }

    //判断是否完成比赛
    private boolean gameOver(int steps){

        //已经存在胜利者
        if(winner != null){
            return  true;
        }
        if( steps >= 100){
            winner = Thread.currentThread().getName();
            System.out.println("Winner is : " + winner);
            return  true;
        }

        return  false;
    }

    public static void main(String[] args) {
        //new 一个赛道
        Race race = new Race();
        //两个线程同时竞争同一个赛道
        new Thread(race ,"兔子").start();
        new Thread(race ,"乌龟").start();

    }
}
